Search a number
-
+
113240041 = 293904829
BaseRepresentation
bin1101011111111…
…10011111101001
321220002012010121
412233332133221
5212442140131
615123043241
72543344615
oct657763751
9256065117
10113240041
1158a14a12
1231b10521
131a5cb055
141107a345
159e1c911
hex6bfe7e9

113240041 has 4 divisors (see below), whose sum is σ = 117144900. Its totient is φ = 109335184.

The previous prime is 113240021. The next prime is 113240047. The reversal of 113240041 is 140042311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140042311 = 178237783.

It can be written as a sum of positive squares in 2 ways, for example, as 93026025 + 20214016 = 9645^2 + 4496^2 .

It is a cyclic number.

It is not a de Polignac number, because 113240041 - 217 = 113108969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113239997 and 113240024.

It is not an unprimeable number, because it can be changed into a prime (113240047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1952386 + ... + 1952443.

It is an arithmetic number, because the mean of its divisors is an integer number (29286225).

Almost surely, 2113240041 is an apocalyptic number.

It is an amenable number.

113240041 is a deficient number, since it is larger than the sum of its proper divisors (3904859).

113240041 is an equidigital number, since it uses as much as digits as its factorization.

113240041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3904858.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 113240041 is about 10641.4304019713. The cubic root of 113240041 is about 483.8009007950.

Adding to 113240041 its reverse (140042311), we get a palindrome (253282352).

The spelling of 113240041 in words is "one hundred thirteen million, two hundred forty thousand, forty-one".

Divisors: 1 29 3904829 113240041